21074144

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7237}}^1$

素因数の和:7267

約数の個数: 48

約数和(自身を含む): 51071328

約数和(自身を除く): 29997184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7237, 14474, 28948, 50659, 57896, 94081, 101318, 115792, 188162, 202636, 231584, 376324, 405272, 658567, 752648, 810544, 1317134, 1505296, 1621088, 2634268, 3010592, 5268536, 10537072, 21074144]

約数ペア:

[(1, 21074144), (2, 10537072), (4, 5268536), (7, 3010592), (8, 2634268), (13, 1621088), (14, 1505296), (16, 1317134), (26, 810544), (28, 752648), (32, 658567), (52, 405272), (56, 376324), (91, 231584), (104, 202636), (112, 188162), (182, 115792), (208, 101318), (224, 94081), (364, 57896), (416, 50659), (728, 28948), (1456, 14474), (2912, 7237)]